Microcontroller 8051 Wikipedia

Sunday, 24 January 2021

Capacitive touch sensing [ edit] Silicon Labs' capacitive touch sense microcontrollers (MCUs) enable implementation of touch buttons, sliders, wheels, capacitive proximity sensing and liquid level sensing. [7] C8051F7xx 8-32 kB 0. 5-8 kB QFN24, QFN32, QFN48, QFP48, QFP64 18-38 touch ch. C8051F8xx 4-16 kB SOIC16, QFN20, QFN24, QSOP24 8-16 touch ch. C8051F99x 13-14 touch ch. Wireless [ edit] The Si10xx wireless MCU family offers single-chip solutions that combines an MCU and an integrated sub-GHz RF transceiver. These products are designed to address the specific requirements of low-power embedded systems requiring an RF bidirectional communication link. [8] Si100x LGA42 CRC; dc-dc; RTC Si101x Si102x/3x 128 kB 4. 25-8. 25 kB LGA85 128 LCD segments USB connectivity bridges [ edit] The CP21xx family offers a plug-and-play interface solution that support VCP, USBXpress, HID, and USB Audio driver suites on Windows, Linux, and OSX. These devices support Crystal-less operation and in-system programming memory.

Microcontroller 8051 wikipedia definition

[9] Description Driver Type GPIOs CP2101 * USB to Dual UART Bridge VCP, USBXpress QFN28 5 V regulator CP2102 ** USB to UART Bridge CP2103 * 4 5 V regulator; RS-485 CP2104 QFN24 5 V regulator; RS-485; Split Vio CP2105 5 CP2108 USB to Quad UART Bridge 16 QFN64 CP2109 CP2110 HID USB to UART Bridge HID 10 CP2112 HID USB to SMBus/I²C Bridge 8 5 V regulator; Split Vio CP2114 USB to I2S Audio Bridge USB Audio 12 QFN32 CP2130 USB to SPI Bridge WinUSB, LibUSB 11 * Legacy product, replaced by CP2104. ** Lower cost alternatives available as CP2104 and CP2109 (footprint compatible). Nonfree Development tools [ edit] Silicon Labs offers both software and hardware development tools to support their C8051 MCUs. A complete list of development boards and kits is available on the company's website. ToolStick [ edit] The Silicon Labs ToolStick is a development system that allows designers to develop and debug application firmware directly on the target microcontroller using the Silicon Labs Integrated Development Environment (IDE).

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General Purpose Registers [ edit] The 8051 has 4 selectable banks of 8 addressable 8-bit registers, R0 to R7. This means that there are essentially 32 available general purpose registers, although only 8 (one bank) can be directly accessed at a time. To access the other banks, we need to change the current bank number in the flag register. A and B Registers [ edit] The A register is located in the SFR memory location 0xE0. The A register works in a similar fashion to the AX register of x86 processors. The A register is called the accumulator, and by default it receives the result of all arithmetic operations. The B register is used in a similar manner, except that it can receive the extended answers from the multiply and divide operations. When not being used for multiplication and Division, the B register is available as an extra general-purpose register. The A and B registers can store up to 8-bits of data each.

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25 TQFP48 C8051F30x * QFN11, SOIC14 C8051F31x * 8–16 kB C8051F33x * 2–16 kB QFN20, QFN24 Vref; LFO; DAC C8051F36x 16–32 kB 50–100 QFN28, LQFP32, TQFP48 Vref; EMIF; 16x16 MAC C8051F37x/9x 1 kB QFN24, QFN20 Vref; 105 °C; EEPROM; ±2 °C temp. sensor; DACs C8051F41x Vref; RTC; DACs * C8051F30x, C8051F31x, and C8051F33x are also available with one-time-programmable memories as C8051T60x, C8051T61x, and C8051T63x respectively. USB [ edit] These devices feature an on-board universal serial bus (USB) 2. 0 function controller with an integrated transceiver and on-chip clock recovery, and are available in a wide range of packages. No external resistors, crystal, voltage regulator, EEPROM or other components are required. [6] MHz C8051F32x ** 16 kB 48 1. 25-2. 25 kB Crystal-less C8051F34x * 2. 25-4. 25 kB QFN32, LQFP32, TQFP48 Crystal-less; EMIF C8051F38x ** 1. 25 kB * Legacy product, replaced by C8051F38x. ** C8051F32x and C8051F38x are also available with one-time-programmable memories as C8051T32x and C8051T632x respectively.

8051 microcontroller wikipedia

[10] Free Development tools [ edit] The C8051 is also supported by FOSS tools. Small Device C Compiler [ edit] The Small Device C Compiler is an optimizing standard (ANSI C89, ISO C90, ISO C99, ISO C11) C compiler. It supports the C8051 via the mcs51 backend. ec2drv [ edit] ec2drv provides Linux support for the serial debug adapter. In particular, it can be used for programming the flash memory of the C8051.

Once complete, designers can replace the Daughter Card with a Programming Adapter and program blank devices for use in their actual system. [10] Silicon Labs IDE [ edit] The Silicon Labs Integrated Development Environment (IDE) is a complete, stand-alone software program that includes a project manager, source editor, source-level debugger and other utilities. The IDE interfaces to third party development tool chains to provide system designers a complete embedded software development environment. The IDE supports the entire 8-bit microcontroller (MCU) portfolio. Keil® PK51 Developer's Kit [ edit] The Keil PK51 Developer's Kit includes an industry-leading 8051 C compiler, linker and assembler for use with Silicon Labs' 8-bit microcontrollers and Studio. This toolchain package provides the build support for 8051 projects, while the IDE provides editing and debugging support. This free toolchain comes without a time or code size limit. [10] Other tools and utilities [ edit] Configuration Wizard The Configuration Wizard 2 utility helps accelerate development by automatically generating initialization source code to configure and enable the on-chip resources needed by most design projects.